Let g be a permutation of [1..n] having say j_i cycles of length i, with Sum_i i*j_i = n; sequence gives Sum_g Sum_i (j_i)^2.

A151882

Let g be a permutation of [1..n] having say j_i cycles of length i, with Sum_i i*j_i = n; sequence gives Sum_g Sum_i (j_i)^2.

Terms

    a(0) =1a(1) =5a(2) =17a(3) =80a(4) =424a(5) =2744a(6) =19928a(7) =166984a(8) =1543176a(9) =15939792a(10) =178966512a(11) =2200820544a(12) =29089668672a(13) =415261531008

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